#!D:/Python27/python
# Filename:reference.py
print 'Simple Assignment'
shoplist = ['apple','mango','carrot','banana']
mylist = shoplist#mylist is just another name pointig to the same object
del shoplist[0]
print 'shoplist is',shoplist
print 'mylist is',mylist
#notice that both shoplist and mylist both print the same list without
#the 'apple' confirming that they point to the same object

print 'Copy by making a full slice'
mylist = shoplist[:]#make a copy by doing a full slice
del mylist[0]#remove first item

print 'shoplist is',shoplist
print 'mylist is',mylist
#notice that now the two lists are different
